18.91
19.75
25.63
38.23
Correct answer is C
\(y = 19.33 + 0.42x\)
\(\text{The value of y when x = 15} = 19.33 + (0.42 \times 15)\)
= \(19.33 + 6.30\)
= 25.63
Consider the following statements: p: Birds fly q: The sky is blue r: The grass is green W...
A function f defined by f : x -> x\(^2\) + px + q is such that f(3) = 6 and f(3) = 0. Find the va...
A binary operation ♦ is defined on the set R, of real numbers by \(a ♦ b = \fr...
Find the angle between i + 5j and 5i - J ...
Given that P = {x : 1 \(\geq\) x \(\geq\) 6} and Q = {x : 2 < x < 10}. Where x are intege...
There are 7 boys in a class of 20. Find the number of ways of selecting 3 girls and 2 boys ...